Excellent Mechanical Property PPGI Steel Coil
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Specification
1. Thickness: 0.3-0.8mm
2. Width: 914-1250mm
3. Inner Diameter: 508mm
4. Weight of Steel Coil: 3-15MT
5. Available Dipped Layer: 50-150g/m2
6. Surface Texture: Normal Coated
7. Type of coating structure: 2/1 Coat the top surface of the steel sheet twice, coat the bottom surface once, and bake the sheet twice.
8. Front Side Paint Thickness: 15-20μm (bottom paint+top paint)
9. Back Side Paint Thickness: 5-10μm
Mechanical Properties
1. Mechanical properties of base metals
Grade | Tensile Test | ||
Yield Strength MPa | Tensile Strength MPa | Elongation A80mm % ≥ | |
DC51D+Z | 140-350 | 270-500 | 22 |
DC52D+Z | 140-300 | 270-420 | 26 |
DC53D+Z | 140-300 | 270-380 | 30 |
2. Common performance of front coating
(1). Thickness: ≥20μm
(2). Pencil Hardness: 2H
(3). 60° specular glossiness of coating: >60
(4). 180°bend: ≤3T
(5). Impact: ≥9J
(6). Salt Fog Resistant: ≥500h
(7). Color difference: <3ΔE
- Q: What are the challenges in coil recoiling for high-strength steel?
- There are several challenges associated with coil recoiling for high-strength steel. Firstly, high-strength steel is known for its increased hardness and strength, which makes it more difficult to coil compared to regular steel. The higher tensile strength of high-strength steel puts more stress on the recoiling equipment, leading to potential damage or failure of the machinery. Secondly, high-strength steel tends to have lower ductility, meaning it is less able to withstand deformation without fracturing. Recoiling high-strength steel coils requires careful handling and control to prevent any excessive bending or stretching that could cause the material to break or crack. Another challenge is the shape memory effect of high-strength steel. This phenomenon causes the material to return to its original shape after being deformed. While this property can be advantageous in some applications, it complicates the recoiling process as the steel coil may resist being reshaped into a new coil form. Furthermore, high-strength steel often has a more complex microstructure compared to regular steel, with different phases and grain boundaries. This complexity can make the recoiling process more challenging as it may affect the material's mechanical properties and response to deformation. Lastly, the surface finish of high-strength steel coils is critical for many applications. Recoiling can introduce surface defects, such as scratches or marks, which may affect the functionality or appearance of the final product. Therefore, maintaining a high-quality surface finish during the recoiling process is a significant challenge. In summary, the challenges in coil recoiling for high-strength steel include the increased stress on recoiling equipment, lower ductility, shape memory effect, complex microstructure, and the need for a high-quality surface finish. Overcoming these challenges requires specialized equipment, precise control, and careful handling to ensure the integrity and quality of the recoiled high-strength steel coils.
- Q: How are steel coils used in the manufacturing of industrial boilers?
- Steel coils are used in the manufacturing of industrial boilers as they provide a strong and durable material for constructing the boiler's shell and tubes. The coils are shaped and welded together to form the boiler's structure, ensuring a sturdy and reliable construction. Additionally, the steel coils are often coated or treated to resist corrosion and withstand high temperature and pressure conditions, making them suitable for the demanding environment of industrial boiler operations.
- Q: I want a good quality, big, strong, steel knife but I want it to be a good price, say around $30 or less, $60 at the most. please add links.
- ka bar, If they are good enough for the U.S.M.C. They are good enough for you.
- Q: I looking at replacing a few of the panels on my car with either Carbon Fiber or High Tensile Steel to shave off some weight and increase mpg and take some time off my quarter mile. Which is better: Carbon Fiber or High Tensile Steel?
- Steel is much cheaper to buy, but weighs more than the carbon fiber and is not as strong as a rule. To save weight on a race car go with carbon fiber. To save weight (money) on the wallet go with steel.
- Q: I need to know which cookware set is better. We are trying to get rid of the ones we have here. They are Teflon. I have heard that stainless steel (aluminum) and hard Ionized are good, but which is the best one.
- I have a set of Stainless and individual pots and saute/frying pans that are non-stick. Calphalon is a good brand and should serve you well for now. They are easy to clean and work well for most dishes. If I looked at the right set of pots, these should also be oven safe which is great for stews and roasts. If you get into cooking you will probably want to purchase some stainless for preparing sauces. The fond (which is the basis for many quick sauces) from meat, poultry and fish will not accumulate on non-stick pans as well as stainless pans.
- Q: How do steel coils contribute to the circular economy?
- Steel coils contribute to the circular economy through their recyclability and reusability. The circular economy aims to minimize waste and promote the continuous use of resources, and steel coils align perfectly with this concept. Firstly, steel coils are made from recycled steel, which reduces the need for extracting raw materials and the associated environmental impact. By using recycled steel, we can conserve natural resources and reduce energy consumption during the manufacturing process. This practice helps to lower carbon emissions and decrease the overall ecological footprint. Furthermore, steel coils can be easily recycled at the end of their lifecycle. Steel is one of the most recycled materials globally, with a high recycling rate. When the coils reach the end of their use, they can be collected, processed, and transformed into new steel products, without losing their properties or quality. This closed-loop recycling system ensures that steel resources are continuously utilized, minimizing the need for virgin steel production. Additionally, steel coils support the circular economy by enabling the creation of durable and long-lasting products. Steel is known for its strength and durability, making it ideal for various applications such as construction, automotive, and packaging. By using steel coils, we can produce products that have a longer lifespan, reducing the need for frequent replacements and minimizing waste generation. Moreover, steel coils can be reused multiple times before they are recycled. They can be rewound, reshaped, or repurposed for different applications, extending their lifecycle and reducing the demand for new coils. This reuse aspect of steel coils contributes to resource efficiency and waste reduction. In summary, steel coils play a significant role in the circular economy by being made from recycled steel, being easily recyclable themselves, enabling the creation of durable products, and promoting reuse. Their contribution helps to close the loop in the steel industry, conserves natural resources, reduces waste generation, and minimizes environmental impact.
- Q: During fatigue testing of any material (especially for steels), why is strain-control mode preferred over stress control mode?
- because metals, like steel, are ductile and will stretch before breaking. Straining the metal is stretching it, stressing the metal is applying a shearing force or bending until there is an actual metal failure. A sheet metal strap 1inch across and 24 gauge metal is commonly used to support metal ducting systems in construction. These have an average strain to failure weight load as high as 16,200 lbs. As reported by the smacna index, they will safely hold 6800 pounds. Of more interest is the screws used to hold the strap to the duct. While they are grade 3, fairly strong, they strain to 1400 pounds when properly installed, and are safely able to support 650 pounds, unless they are overtorqued (stripped) and this quickly drops to 400 pounds and 125 pounds...big difference.
- Q: How are steel coils protected against UV radiation?
- Steel coils are protected against UV radiation through a process known as coil coating. Coil coating involves applying a protective layer of paint or coating to the surface of the steel coil. This coating acts as a barrier between the steel and UV radiation, preventing direct exposure of the metal to the harmful effects of the sun's ultraviolet rays. The protective coating used for steel coils is specially formulated to provide excellent resistance against UV radiation. It typically contains pigments and additives that are designed to absorb or reflect UV light, reducing the amount of radiation that reaches the steel surface. Furthermore, the coating is applied in multiple layers to ensure maximum protection. The first layer, known as the primer, enhances adhesion to the steel surface and provides additional corrosion resistance. The subsequent layers, such as the base coat and topcoat, offer improved durability and UV resistance. In addition to the coating itself, the steel coils can be further protected against UV radiation by storing them in shaded areas or using covers to shield them from direct sunlight when stored outdoors. This additional precaution helps minimize the exposure of the coated steel coils to UV radiation, thereby prolonging their lifespan and maintaining their appearance. Overall, the combination of a high-quality protective coating, proper storage, and handling practices ensures that steel coils are effectively shielded against the damaging effects of UV radiation, allowing them to maintain their structural integrity and aesthetic appeal over an extended period of time.
- Q: Cooling bed generally a part of the steel rolling mills
- In the USA, a steel cooling bed is called a run-out table. It consists of a series of steel rolls. Each roll may be individually driven by an electric motor. DC motors are often used with parallel armatures connected to a common armature voltage control speed control unit. The roll speed is controlled to match the speed of the incoming sheet of steel so that the steel does not slide or skid on the surface of the rolls. Field trim resistors help to assure that the speed and torque of rolls is matched. A centering mechanism may be used to keep the steel in the center of the table. Water may be sprayed from the top and bottom to aid cooling. After an initial run out table, the strip of steel may be cut on-the-fly into individual sheets which pass to another table that is running slightly faster to separate the sheets. Alternatively, the steel may be coiled at the end of the table.
- Q: What are the common defects found in uncoiled steel coils?
- Some common defects found in uncoiled steel coils include edge waves, center buckles, coil breaks, surface defects such as scratches or dents, and variations in thickness or width.
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Excellent Mechanical Property PPGI Steel Coil
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
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